//###########################################################################
//
// FILE:    hw_eqep.h
//
// TITLE:   Definitions for the EQEP registers.
//
//###########################################################################
// $TI Release: F2837xD Support Library v3.02.00.00 $
// $Release Date: Sat Sep 16 15:29:00 CDT 2017 $
// $Copyright:
// Copyright (C) 2013-2017 Texas Instruments Incorporated - http://www.ti.com/
//
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// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
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// $
//###########################################################################

#ifndef HW_EQEP_H
#define HW_EQEP_H

//*****************************************************************************
//
// The following are defines for the EQEP register offsets
//
//*****************************************************************************
#define EQEP_O_QPOSCNT            0x0U         // Position Counter
#define EQEP_O_QPOSINIT           0x2U         // Position Counter Init
#define EQEP_O_QPOSMAX            0x4U         // Maximum Position Count
#define EQEP_O_QPOSCMP            0x6U         // Position Compare
#define EQEP_O_QPOSILAT           0x8U         // Index Position Latch
#define EQEP_O_QPOSSLAT           0xAU         // Strobe Position Latch
#define EQEP_O_QPOSLAT            0xCU         // Position Latch
#define EQEP_O_QUTMR              0xEU         // QEP Unit Timer
#define EQEP_O_QUPRD              0x10U        // QEP Unit Period
#define EQEP_O_QWDTMR             0x12U        // QEP Watchdog Timer
#define EQEP_O_QWDPRD             0x13U        // QEP Watchdog Period
#define EQEP_O_QDECCTL            0x14U        // Quadrature Decoder Control
#define EQEP_O_QEPCTL             0x15U        // QEP Control
#define EQEP_O_QCAPCTL            0x16U        // Qaudrature Capture Control
#define EQEP_O_QPOSCTL            0x17U        // Position Compare Control
#define EQEP_O_QEINT              0x18U        // QEP Interrupt Control
#define EQEP_O_QFLG               0x19U        // QEP Interrupt Flag
#define EQEP_O_QCLR               0x1AU        // QEP Interrupt Clear
#define EQEP_O_QFRC               0x1BU        // QEP Interrupt Force
#define EQEP_O_QEPSTS             0x1CU        // QEP Status
#define EQEP_O_QCTMR              0x1DU        // QEP Capture Timer
#define EQEP_O_QCPRD              0x1EU        // QEP Capture Period
#define EQEP_O_QCTMRLAT           0x1FU        // QEP Capture Latch
#define EQEP_O_QCPRDLAT           0x20U        // QEP Capture Period Latch

//*****************************************************************************
//
// The following are defines for the bit fields in the QDECCTL register
//
//*****************************************************************************
#define EQEP_QDECCTL_QSP          0x20U        // QEPS input polarity
#define EQEP_QDECCTL_QIP          0x40U        // QEPI input polarity
#define EQEP_QDECCTL_QBP          0x80U        // QEPB input polarity
#define EQEP_QDECCTL_QAP          0x100U       // QEPA input polarity
#define EQEP_QDECCTL_IGATE        0x200U       // Index pulse gating option
#define EQEP_QDECCTL_SWAP         0x400U       // CLK/DIR Signal Source for
                                               // Position Counter
#define EQEP_QDECCTL_XCR          0x800U       // External Clock Rate
#define EQEP_QDECCTL_SPSEL        0x1000U      // Sync output pin selection
#define EQEP_QDECCTL_SOEN         0x2000U      // Sync output-enable
#define EQEP_QDECCTL_QSRC_S       14U
#define EQEP_QDECCTL_QSRC_M       0xC000U      // Position-counter source
                                               // selection

//*****************************************************************************
//
// The following are defines for the bit fields in the QEPCTL register
//
//*****************************************************************************
#define EQEP_QEPCTL_WDE           0x1U         // QEP watchdog enable
#define EQEP_QEPCTL_UTE           0x2U         // QEP unit timer enable
#define EQEP_QEPCTL_QCLM          0x4U         // QEP capture latch mode
#define EQEP_QEPCTL_QPEN          0x8U         // Quadrature postotion counter
                                               // enable
#define EQEP_QEPCTL_IEL_S         4U
#define EQEP_QEPCTL_IEL_M         0x30U        // Index event latch
#define EQEP_QEPCTL_SEL           0x40U        // Strobe event latch
#define EQEP_QEPCTL_SWI           0x80U        // Software init position
                                               // counter
#define EQEP_QEPCTL_IEI_S         8U
#define EQEP_QEPCTL_IEI_M         0x300U       // Index event init of position
                                               // count
#define EQEP_QEPCTL_SEI_S         10U
#define EQEP_QEPCTL_SEI_M         0xC00U       // Strobe event init
#define EQEP_QEPCTL_PCRM_S        12U
#define EQEP_QEPCTL_PCRM_M        0x3000U      // Postion counter reset
#define EQEP_QEPCTL_FREE_SOFT_S   14U
#define EQEP_QEPCTL_FREE_SOFT_M   0xC000U      // Emulation mode

//*****************************************************************************
//
// The following are defines for the bit fields in the QCAPCTL register
//
//*****************************************************************************
#define EQEP_QCAPCTL_UPPS_S       0U
#define EQEP_QCAPCTL_UPPS_M       0xFU         // Unit position event prescaler
#define EQEP_QCAPCTL_CCPS_S       4U
#define EQEP_QCAPCTL_CCPS_M       0x70U        // eQEP capture timer clock
                                               // prescaler
#define EQEP_QCAPCTL_CEN          0x8000U      // Enable eQEP capture

//*****************************************************************************
//
// The following are defines for the bit fields in the QPOSCTL register
//
//*****************************************************************************
#define EQEP_QPOSCTL_PCSPW_S      0U
#define EQEP_QPOSCTL_PCSPW_M      0xFFFU       // Position compare sync pulse
                                               // width
#define EQEP_QPOSCTL_PCE          0x1000U      // Position compare
                                               // enable/disable
#define EQEP_QPOSCTL_PCPOL        0x2000U      // Polarity of sync output
#define EQEP_QPOSCTL_PCLOAD       0x4000U      // Position compare of shadow
                                               // load
#define EQEP_QPOSCTL_PCSHDW       0x8000U      // Position compare of shadow
                                               // enable

//*****************************************************************************
//
// The following are defines for the bit fields in the QEINT register
//
//*****************************************************************************
#define EQEP_QEINT_PCE            0x2U         // Position counter error
                                               // interrupt enable
#define EQEP_QEINT_QPE            0x4U         // Quadrature phase error
                                               // interrupt enable
#define EQEP_QEINT_QDC            0x8U         // Quadrature direction change
                                               // interrupt enable
#define EQEP_QEINT_WTO            0x10U        // Watchdog time out interrupt
                                               // enable
#define EQEP_QEINT_PCU            0x20U        // Position counter underflow
                                               // interrupt enable
#define EQEP_QEINT_PCO            0x40U        // Position counter overflow
                                               // interrupt enable
#define EQEP_QEINT_PCR            0x80U        // Position-compare ready
                                               // interrupt enable
#define EQEP_QEINT_PCM            0x100U       // Position-compare match
                                               // interrupt enable
#define EQEP_QEINT_SEL            0x200U       // Strobe event latch interrupt
                                               // enable
#define EQEP_QEINT_IEL            0x400U       // Index event latch interrupt
                                               // enable
#define EQEP_QEINT_UTO            0x800U       // Unit time out interrupt
                                               // enable

//*****************************************************************************
//
// The following are defines for the bit fields in the QFLG register
//
//*****************************************************************************
#define EQEP_QFLG_INT             0x1U         // Global interrupt status flag
#define EQEP_QFLG_PCE             0x2U         // Position counter error
                                               // interrupt flag
#define EQEP_QFLG_PHE             0x4U         // Quadrature phase error
                                               // interrupt flag
#define EQEP_QFLG_QDC             0x8U         // Quadrature direction change
                                               // interrupt flag
#define EQEP_QFLG_WTO             0x10U        // Watchdog timeout interrupt
                                               // flag
#define EQEP_QFLG_PCU             0x20U        // Position counter underflow
                                               // interrupt flag
#define EQEP_QFLG_PCO             0x40U        // Position counter overflow
                                               // interrupt flag
#define EQEP_QFLG_PCR             0x80U        // Position-compare ready
                                               // interrupt flag
#define EQEP_QFLG_PCM             0x100U       // eQEP compare match event
                                               // interrupt flag
#define EQEP_QFLG_SEL             0x200U       // Strobe event latch interrupt
                                               // flag
#define EQEP_QFLG_IEL             0x400U       // Index event latch interrupt
                                               // flag
#define EQEP_QFLG_UTO             0x800U       // Unit time out interrupt flag

//*****************************************************************************
//
// The following are defines for the bit fields in the QCLR register
//
//*****************************************************************************
#define EQEP_QCLR_INT             0x1U         // Global interrupt clear flag
#define EQEP_QCLR_PCE             0x2U         // Clear position counter error
                                               // interrupt flag
#define EQEP_QCLR_PHE             0x4U         // Clear quadrature phase error
                                               // interrupt flag
#define EQEP_QCLR_QDC             0x8U         // Clear quadrature direction
                                               // change interrupt flag
#define EQEP_QCLR_WTO             0x10U        // Clear watchdog timeout
                                               // interrupt flag
#define EQEP_QCLR_PCU             0x20U        // Clear position counter
                                               // underflow interrupt flag
#define EQEP_QCLR_PCO             0x40U        // Clear position counter
                                               // overflow interrupt flag
#define EQEP_QCLR_PCR             0x80U        // Clear position-compare ready
                                               // interrupt flag
#define EQEP_QCLR_PCM             0x100U       // Clear eQEP compare match
                                               // event interrupt flag
#define EQEP_QCLR_SEL             0x200U       // Clear strobe event latch
                                               // interrupt flag
#define EQEP_QCLR_IEL             0x400U       // Clear index event latch
                                               // interrupt flag
#define EQEP_QCLR_UTO             0x800U       // Clear unit time out interrupt
                                               // flag

//*****************************************************************************
//
// The following are defines for the bit fields in the QFRC register
//
//*****************************************************************************
#define EQEP_QFRC_PCE             0x2U         // Force position counter error
                                               // interrupt
#define EQEP_QFRC_PHE             0x4U         // Force quadrature phase error
                                               // interrupt
#define EQEP_QFRC_QDC             0x8U         // Force quadrature direction
                                               // change interrupt
#define EQEP_QFRC_WTO             0x10U        // Force watchdog time out
                                               // interrupt
#define EQEP_QFRC_PCU             0x20U        // Force position counter
                                               // underflow interrupt
#define EQEP_QFRC_PCO             0x40U        // Force position counter
                                               // overflow interrupt
#define EQEP_QFRC_PCR             0x80U        // Force position-compare ready
                                               // interrupt
#define EQEP_QFRC_PCM             0x100U       // Force position-compare match
                                               // interrupt
#define EQEP_QFRC_SEL             0x200U       // Force strobe event latch
                                               // interrupt
#define EQEP_QFRC_IEL             0x400U       // Force index event latch
                                               // interrupt
#define EQEP_QFRC_UTO             0x800U       // Force unit time out interrupt

//*****************************************************************************
//
// The following are defines for the bit fields in the QEPSTS register
//
//*****************************************************************************
#define EQEP_QEPSTS_PCEF          0x1U         // Position counter error flag.
#define EQEP_QEPSTS_FIMF          0x2U         // First index marker flag
#define EQEP_QEPSTS_CDEF          0x4U         // Capture direction error flag
#define EQEP_QEPSTS_COEF          0x8U         // Capture overflow error flag
#define EQEP_QEPSTS_QDLF          0x10U        // eQEP direction latch flag
#define EQEP_QEPSTS_QDF           0x20U        // Quadrature direction flag
#define EQEP_QEPSTS_FIDF          0x40U        // The first index marker
#define EQEP_QEPSTS_UPEVNT        0x80U        // Unit position event flag
#endif
